ShredDB is an experimental .shred library, I removed the audio so it's pretty useless. You can find the source .psarc files here.

Song	Artist	Play	Shred	Length	Album	Year	Tuning	Uploader	Updated	Delete
Roads	Portishead			5:06	Dummy	1994	E Standard	mute	1970-01-01
Roaide	Tenacious D			3:24	Pick of Desteny	1967	E Standard	mute	1970-01-01
Roaring Thunder	Running Wild			6:07	Pile of Skulls	1992	E Standard	mute	1970-01-01
Robloxio Paint	Coldrampage			1:51	Memes	2019	E Standard	mute	1970-01-01
Robot Rock	Daft Punk			4:50	Human After All	2005	E Standard	mute	1970-01-01
Robot Stop	King Gizzard & The Lizard Wizard			5:27	Nonagon Infinity	2016	E Standard	mute	1970-01-01
Robot Tears	Destination Dimension			3:34	Mantodea	2019	Eb Drop Db	mute	1970-01-01
Robot with Human Hair part II.V	Dance Gavin Dance			4:39	Downtown Battle Mountain II	2011	Drop D	mute	1970-01-01
Roboturner	Between The Buried and Me			7:07	Alaska	2005	Custom Tuning	mute	1970-01-01
Rock & Roll	Eden			5:01	I think you think too much of me	2016	E Standard	mute	1970-01-01
Rock & Roll	The Velvet Underground			4:50	Loaded	1970	D Drop C	mute	1970-01-01
Rock & Roll Singer	AC/DC			5:03	High Voltage	1976	E Standard	mute	1970-01-01
Rock 'n' Roll Children	Dio	Bass2		4:29	Sacred Heart	1985	E Standard	mute	1970-01-01
Rock 'n' Roll Damnation	AC/DC			3:40	Let There Be Rock	1977	E Standard	mute	1970-01-01
Rock 'n' Roll Singer	AC/DC	Combo		5:07	T.N.T. - 1975	1975	E Standard	mute	1970-01-01